Patents by Inventor Kathleen S. Sniff

Kathleen S. Sniff has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Carotenoid producing culture using Nespongiococcum excentricum
    Patent number: 5437997
    Abstract: A culture for the production of xanthophylls comprising Nospongiococcum excentricum ATCC 40335 and mutants thereof. The culture having a dry cell weight xanthophyll content of at least about 0.65% and being capable of growing to a cell density of greater than about 40 grams per liter. The culture also comprising: carbon, phosphate, sulfate, iron, magnesium, and nitrogen.
    Type: Grant
    Filed: February 5, 1990
    Date of Patent: August 1, 1995
    Assignee: Universal Foods Corporation
    Inventors: Hans H. Liao, Richard D. Medwid, Donald L. Heefner, Kathleen S. Sniff, Randal A. Hassler, Michael J. Yarus